<TargetName="_WarnAboutToolset"BeforeTargets="PrepareForBuild"Condition="$(PlatformToolset) != 'v140' and $(PlatformToolset) != 'v141' and $(PlatformToolset) != 'v142' and $(PlatformToolset) != 'v143'">
<WarningText="Toolset $(PlatformToolset) is not used for official builds. Your build may have errors or incompatibilities." />